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Université Pierre et Marie Curie, Ecole Normale Supérieure, CNRS

3 ARTICLES PUBLISHED IN JoVE

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Medicine

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
Ronald X. Xu 1, Kun Huang 2, Ruogu Qin 1, Jiwei Huang 1, Jeff S. Xu 1, Liya Ding 2, Urmila S. Gnyawali 3, Gayle M. Gordillo 3, Surya C. Gnyawali 3,4, Chandan K. Sen 3
1Department of Biomedical Engineering, The Ohio State University, 2Department of Biomedical Informatics, The Ohio State University, 3Comprehensive Wound Center, The Ohio State University, 4Department of Surgery, The Ohio State University

A dual-mode imaging system was developed for non-contact assessment of cutaneous tissue oxygenation and vascular function.

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Engineering

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Olivier Morin 1, Jianli Liu 1, Kun Huang 1,2, Felippe Barbosa 3, Claude Fabre 1, Julien Laurat 1
1Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Ecole Normale Supérieure, CNRS, 2State Key Laboratory of Precision Spectroscopy, East China Normal University, 3Instituto de Física, Universidade de São Paulo

We describe the reliable generation of non-Gaussian states of traveling optical fields, including single-photon states and coherent state superpositions, using a conditional preparation method operated on the non-classical light emitted by optical parametric oscillators. Type-I and type-II phase-matched oscillators are considered and common procedures, such as the required frequency filtering or the high-efficiency quantum state characterization by homodyning, are detailed.

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Neuroscience

A Mouse Model of Direct Anastomosis via the Prespinal Route for Crossing Nerve Transfer Surgery
Zhengrun Gao *1,2, Gaowei Lei *1, Zhen Pang *1, Yiming Chen 1, Shuai Zhu 1, Kun Huang 1, Weishan Lin 1, Yundong Shen 1,2,3,4,5, Wendong Xu 1,2,3,4,5
1Department of Hand Surgery, Huashan Hospital, Fudan University, 2Department of Hand and Upper Extremity Surgery, Jing‘an District Central Hospital, Fudan University, 3The National Clinical Research Center for Aging and Medicine, Fudan University, 4Institutes of Brain Science, Fudan University, 5State Key Laboratory of Medical Neurobiology, Collaborative Innovation Center of Brain Science, Fudan University

We simulated clinical surgery to establish a protocol of direct anastomosis of bilateral brachial plexus nerves via the prespinal route in mice, contributing to the study of the neural mechanisms underlying rehabilitation upon crossing nerve transfer after central and peripheral nervous system injuries.

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